Radiating fin of adapter power panel

Abstract

The utility model relates to the technical field of power panel radiating fins, and discloses an adapter power panel radiating fin, which comprises a radiating assembly, a circuit board is arranged at the bottom of the radiating assembly, the radiating assembly comprises a heat conducting bottom plate, the heat conducting bottom plate is placed on the top surface of the circuit board, and a plurality of radiating fins are fixedly connected to the top of the heat conducting bottom plate. The cooling fins are distributed at equal intervals in the length direction of the heat conduction bottom plate, clamping seats are fixedly connected to the two ends of the bottom of the heat conduction bottom plate, clamping grooves matched with the clamping seats are formed in the circuit board, the clamping seats are in sliding fit with the clamping grooves, and positioning pieces used for fixing the clamping seats and the circuit board are arranged on the inner sides of the clamping seats. According to the utility model, rapid installation of the heat dissipation assembly can be realized, and meanwhile, the slotting area of the circuit board is reduced to avoid influencing the mechanical strength of the circuit board.

Description

Technical Field

[0001] This utility model relates to the field of power board heat sink technology, and more specifically, to a heat sink for an adapter power board. Background Technology

[0002] A heatsink is a device used to dissipate heat from heat-generating electronic components in electrical appliances. It is typically made of aluminum alloy, brass, or bronze and can be in the form of plates, sheets, or multiple sheets. For example, the CPU in a computer requires a fairly large heatsink, and heatsinks are also used for power transistors, horizontal output transistors, and power amplifier transistors in a television. Generally, a layer of thermal grease is applied to the contact surface between the electronic component and the heatsink during use. This allows the heat generated by the component to be more effectively conducted to the heatsink, and then dissipated into the surrounding air.

[0003] A search revealed that Chinese Patent Publication No. CN216566046U discloses "a heat sink for a power adapter circuit board, which uses a slot on the circuit board body to hold the entire heat sink, and uses a limiting block and spring structure to limit and fix the heat sink. However, because the design of the limiting block and spring increases the area occupied by the bottom of the heat sink, the opening area of ​​the slot will be larger than the area of ​​the entire heat sink. However, opening a large slot on the circuit board body will greatly reduce the mechanical strength of the circuit board body, making the circuit board body easy to break and be damaged by external forces." Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a heat sink for an adapter power board, which has the advantage of reducing the slot area of ​​the circuit board to avoid the circuit board being too weak and easily broken.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat sink for an adapter power board, comprising a heat dissipation assembly, a circuit board disposed at the bottom of the heat dissipation assembly, the heat dissipation assembly comprising a heat-conducting base plate, the heat-conducting base plate being placed on the top surface of the circuit board, a plurality of heat dissipation fins being fixedly connected to the top of the heat-conducting base plate, the plurality of heat dissipation fins being equidistantly distributed along the length direction of the heat-conducting base plate, and a card holder being fixedly connected to both ends of the bottom of the heat-conducting base plate, a card slot matching the card holder being provided on the circuit board, the card holder slidingly engaging with the card slot, and a positioning element for fixing the card holder to the circuit board being provided on the inner side of the card holder.

[0006] As a preferred embodiment of this utility model, the positioning component includes a positioning rod that penetrates the side wall of the card holder and is slidably connected to the side wall of the card holder. One end of the positioning rod is slidably connected to the inner wall of the card slot, and the other end of the positioning rod is hinged to a connecting rod. A fixing plate is fixedly connected to the top of the inner side of the card holder, and a vertical sliding rod is slidably connected to the fixing plate. The bottom end of the sliding rod is hinged to the top end of the connecting rod, and a pressure block is fixedly connected to the top end of the sliding rod. One end of the heat-conducting base plate is threadedly connected to a fixing bolt that penetrates the heat-conducting base plate, and the fixing bolt can abut against the pressure block by moving downwards.

[0007] As a preferred embodiment of this utility model, the positioning component further includes a spring, which is mounted on the slide rod. The bottom end of the spring abuts against the fixed plate, and the top end of the spring abuts against the pressure block.

[0008] As a preferred technical solution of this utility model, a limiting ring is fixedly connected to the middle part of the positioning rod, and a second spring is sleeved on the positioning rod. One end of the second spring abuts against the limiting ring, and the other end of the second spring abuts against the inner wall of the card seat.

[0009] As a preferred embodiment of this utility model, the inner wall of the slot is provided with a positioning hole that matches the positioning rod, and the positioning rod slides in conjunction with the positioning hole.

[0010] As a preferred embodiment of this utility model, the heat sink has an S-shaped structure, and a plurality of heat dissipation holes are provided between two adjacent heat sinks, all of which penetrate the heat-conducting base plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: by sliding the card holder and the slot at the bottom of the heat-conducting base plate, and then fixing the card holder to the circuit board by the positioning component, the heat-conducting base plate can be quickly installed. The slot area on the circuit board is small and has little impact on the overall mechanical strength of the circuit board. At the same time, the bottom of the heat-conducting base plate can be completely attached to the circuit board, which can greatly improve the heat dissipation effect of the circuit board. The whole design can not only realize the quick installation of the heat dissipation component, but also reduce the slot area of ​​the circuit board to avoid affecting the mechanical strength of the circuit board. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a heat sink for an adapter power board according to the present invention;

[0013] Figure 2 This is a schematic diagram of the heat dissipation component of this utility model;

[0014] Figure 3 This is a schematic diagram of the positioning component of this utility model;

[0015] Figure 4 This is a schematic diagram of the card slot structure of this utility model;

[0016] Figure 5 This is a partial cross-sectional view of the heat-conducting base plate of this utility model.

[0017] In the diagram: 1. Heat dissipation component; 11. Heat-conducting base plate; 12. Heat sink; 13. Card holder; 14. Positioning component; 141. Positioning rod; 142. Connecting rod; 143. Fixing plate; 144. Slide rod; 145. Pressure block; 146. Spring 1; 147. Fixing bolt; 148. Limiting ring; 149. Spring 2; 15. Heat dissipation hole; 2. Circuit board; 21. Card slot; 22. Positioning hole. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figures 1 to 5 As shown, this utility model provides a heat sink for an adapter power board, including a heat dissipation assembly 1. A circuit board 2 is provided at the bottom of the heat dissipation assembly 1. The heat dissipation assembly 1 includes a heat-conducting base plate 11, which is placed on the top surface of the circuit board 2. A plurality of heat dissipation fins 12 are fixedly connected to the top of the heat-conducting base plate 11. The plurality of heat dissipation fins 12 are equidistantly distributed along the length direction of the heat-conducting base plate 11. Both ends of the bottom of the heat-conducting base plate 11 are fixedly connected to a card holder 13. A card slot 21 matching the card holder 13 is provided on the circuit board 2. The card holder 13 and the card slot 21 are slidably engaged. A positioning member 14 for fixing the card holder 13 to the circuit board 2 is provided on the inner side of the card holder 13.

[0020] By sliding the card holder 13 at the bottom of the heat-conducting base plate 11 into the card slot 21, and then fixing the card holder 13 to the circuit board 2 by the positioning member 14, the heat-conducting base plate 11 can be quickly installed. The card slot 21 on the circuit board 2 has a small area and has little impact on the overall mechanical strength of the circuit board 2. At the same time, the bottom of the heat-conducting base plate 11 can be completely attached to the circuit board 2, which can greatly improve the heat dissipation effect of the circuit board 2. The whole design can not only realize the quick installation of the heat dissipation component 1, but also reduce the slot area of ​​the circuit board 2 to avoid affecting the mechanical strength of the circuit board 2.

[0021] The positioning component 14 includes a positioning rod 141, which penetrates the side wall of the card holder 13 and is slidably connected to the side wall of the card holder 13. One end of the positioning rod 141 is slidably connected to the inner wall of the card slot 21. The inner wall of the card slot 21 has a positioning hole 22 that matches the positioning rod 141. The positioning rod 141 is slidably engaged with the positioning hole 22. The other end of the positioning rod 141 is hinged to a connecting rod 142. A fixing plate 143 is fixedly connected to the top of the inner side of the card holder 13. The fixing plate 143 slides upward. A sliding rod 144 is vertically connected to a fixed plate 143. The bottom end of the sliding rod 144 is hinged to the top end of the connecting rod 142. A pressure block 145 is fixedly connected to the top end of the sliding rod 144. A fixing bolt 147 is threaded through the heat-conducting base plate 11 at one end. The fixing bolt 147 can move downward to abut against the pressure block 145. A spring 146 is sleeved on the sliding rod 144. The bottom end of the spring 146 abuts against the fixed plate 143, and the top end of the spring 146 abuts against the pressure block 145.

[0022] During installation, the card holder 13 at the bottom of the heat-conducting base plate 11 is slidably engaged with the card slot 21. Then, the fixing bolt 147 is rotated to move the fixing bolt 147 downward. This causes the bottom end of the fixing bolt 147 to abut against the pressure block 145, which causes the pressure block 145 to slide under the downward pressure of the fixing bolt 147. This causes the slide rod 144 to slide downward. At this time, the spring 146 is compressed and accumulates elastic potential energy, which causes the connecting rod 142 to apply pressure to the positioning rod 141. This causes the positioning rod 141 to slide out of the card holder 13 and slide into the positioning hole 22. This can prevent the card holder 13 from separating from the card slot 21, thus achieving the fixed installation of the heat-conducting base plate 11 and the circuit board 2.

[0023] During disassembly, the fixing bolt 147 is rotated in the opposite direction to move it upward and separate it from the pressure block 145. At this time, the spring 146 releases potential energy, which causes the pressure block 145 to drive the slide rod 144 to slide upward. This causes the connecting rod 142 to drive the positioning rod 141 to slide in the opposite direction, thereby causing the positioning rod 141 to separate from the positioning hole 22 and slide into the card holder 13. In this way, the card holder 13 can be directly pulled out from the card slot 21, thus realizing the disassembly of the heat-conducting base plate 11 and the circuit board 2.

[0024] The positioning rod 141 is fixedly connected to a limiting ring 148 in the middle. A second spring 149 is sleeved on the positioning rod 141. One end of the second spring 149 abuts against the limiting ring 148, and the other end of the second spring 149 abuts against the inner wall of the card holder 13. When the positioning rod 141 is engaged with the positioning hole 22, the limiting ring 148 applies pressure to the second spring 149 to compress and accumulate potential energy. When the fixing bolt 147 is disengaged from the pressure block 145, the second spring 149 and the first spring 146 release potential energy simultaneously to ensure that the positioning rod 141 can slide completely into the card holder 13. This ensures that even if either the second spring 149 or the first spring 146 is damaged, the installation and disassembly of the heat-conducting base plate 11 and the circuit board 2 can still be achieved.

[0025] The heat sink 12 has an S-shaped structure, and several heat dissipation holes 15 are provided between two adjacent heat sinks 12. All the heat dissipation holes 15 penetrate the heat-conducting base plate 11. The S-shaped structure of the heat sink 12 can increase the contact area between the heat sink 12 and the air, while the heat dissipation holes 15 can allow air to enter to increase the heat dissipation surface of the heat-conducting base plate 11, thereby greatly improving the overall heat dissipation efficiency.

Claims

1. A heat sink for an adapter power board, comprising a heat dissipation assembly (1), wherein a circuit board (2) is disposed at the bottom of the heat dissipation assembly (1), characterized in that: The heat dissipation assembly (1) includes a heat-conducting base plate (11), which is placed on the top surface of the circuit board (2). A number of heat sinks (12) are fixedly connected to the top of the heat-conducting base plate (11). The heat sinks (12) are equidistantly distributed along the length of the heat-conducting base plate (11). Card holders (13) are fixedly connected to both ends of the bottom of the heat-conducting base plate (11). The circuit board (2) has a card slot (21) that matches the card holder (13). The card holder (13) slides with the card slot (21). The inner side of the card holder (13) is provided with a positioning element (14) for fixing the card holder (13) to the circuit board (2).

2. The adapter power board heat sink according to claim 1, characterized in that: The positioning component (14) includes a positioning rod (141), which penetrates the side wall of the card seat (13) and is slidably connected to the side wall of the card seat (13). One end of the positioning rod (141) is slidably connected to the inner wall of the card slot (21), and the other end of the positioning rod (141) is hinged to a connecting rod (142). A fixing plate (143) is fixedly connected to the top of the inner side of the card seat (13). A sliding rod (144) that penetrates the fixing plate (143) is slidably connected to the fixing plate (143). The bottom end of the sliding rod (144) is hinged to the top end of the connecting rod (142). A pressure block (145) is fixedly connected to the top end of the sliding rod (144). A fixing bolt (147) that penetrates the heat-conducting base plate (11) is threadedly connected to one end of the heat-conducting base plate (11). The fixing bolt (147) can abut against the pressure block (145) by moving downward.

3. The adapter power board heat sink according to claim 2, characterized in that: The positioning component (14) also includes a spring (146), which is sleeved on the slide rod (144). The bottom end of the spring (146) abuts against the fixing plate (143), and the top end of the spring (146) abuts against the pressure block (145).

4. The adapter power board heat sink according to claim 3, characterized in that: A limiting ring (148) is fixedly connected to the middle of the positioning rod (141), and a second spring (149) is sleeved on the positioning rod (141). One end of the second spring (149) abuts against the limiting ring (148), and the other end of the second spring (149) abuts against the inner wall of the card seat (13).

5. The adapter power board heat sink according to claim 3, characterized in that: The inner wall of the slot (21) is provided with a positioning hole (22) that matches the positioning rod (141), and the positioning rod (141) slides in conjunction with the positioning hole (22).

6. The adapter power board heat sink according to claim 1, characterized in that: The heat sink (12) has an S-shaped structure, and a number of heat dissipation holes (15) are provided between two adjacent heat sinks (12), and the number of heat dissipation holes (15) all penetrate the heat-conducting base plate (11).

Images